Products Description
ACS SPii+NTM-04000004NNNS EtherCAT Motion Controller
The ACS SPii+NTM-04000004NNNS is a high-performance EtherCAT master motion controller from ACS Motion Control. It generates synchronized motion trajectories for multi-axis servo systems and communicates with servo drives and distributed I/O modules via the EtherCAT industrial real-time bus.

This controller supports the ACSPL+ multi-tasking programming language and works with ACS drives as well as third-party CoE-compliant EtherCAT devices. It is widely stocked as spare parts for maintenance and upgrade of precision automation equipment in semiconductor, electronics and laser processing industries.
Main Specifications
- Brand: ACS Motion Control; Model: SPii+NTM-04000004NNNS; Type: EtherCAT Motion Master Controller
- Applicable System: SPiiPlus EtherCAT-based distributed motion control platform
- Core Tasks: Multi-axis trajectory generation, EtherCAT master communication, motion logic execution, system diagnostic management
- Signal Interface: EtherCAT port, Ethernet TCP/IP, RS232 serial port, DC power input
- Installation: Cabinet panel or DIN rail mounting for automation machine control cabinets
- Supported Protocol: EtherCAT (CoE), TCP/IP, ACSPL+ motion programming
- Operating Environment: 0℃ ~ +60℃, 5%‑95% RH non‑condensing, industrial anti‑vibration grade
- Certifications: CE, complies with industrial EtherCAT EMC and safety standards
Core Functions
- Calculate and distribute high-precision motion profiles for multiple servo axes, supporting interpolation, electronic cam and synchronous gearing functions.
- Act as EtherCAT master to achieve microsecond-level synchronous control with servo drives and remote I/O modules over real-time industrial Ethernet.
- Run user applications programmed in ACSPL+, and provide host interface for upper computer or PLC parameter interaction and status monitoring.
- Built-in comprehensive diagnostic functions for network fault, axis tracking error and controller hardware abnormality to support rapid on-site troubleshooting.
- Open architecture compatible with certified third-party EtherCAT devices, facilitating flexible system configuration for different precision machinery.
- Industrial reinforced hardware design ensures stable continuous operation for high-speed, high-precision automated production equipment.
Application Scenarios
- Spare-part replacement for precision automation equipment in semiconductor packaging, electronic assembly and laser processing industrial sites.
- Multi-axis motion control hardware for gantry systems, inspection platforms and high-speed pick-and-place machines.
- Maintenance backup inventory for renovation and after-sales maintenance projects of ACS SPiiPlus motion control systems.
- Matching motion controller cooperating with ACS servo drives, EtherCAT I/O modules and host industrial computers.
- Retrofit replacement for aged controllers with communication interruption, motion calculation abnormality and hardware failure faults.
Global aftermarket spare supply for automation maintenance teams maintaining high-precision motion control equipment worldwide.

Tags: ACS SPii+NTM-04000004NNNS EtherCAT Motion Controller
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